23b, Verulam Road, St Albans, AL3 4DG

23b is a one-bedroom semi-detached house in St Albans (AL3 4DG). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1900-1929 and council tax band B. At 33 m² this is the 6th smallest of 9 units on EPC record in the building, where floor areas span 23–84 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (41 versus a best of 69). The latest certificate (May 2025) shows an E (score 41), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2018. Between certificates, roof efficiency went from Average to Good and window efficiency went from Very Poor to Poor; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.

Across 2018–2024, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £269,000 is 10.3% below the 2024 sale of £300,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£845/sq ft) was about 311% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. The record references listed-building consent, which constrain future alterations. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Sold October 2024 for £300,000.